2005

6.9

2002

6.3

1994

6.6

2007

0.0

2005

6.5

2003

6.7

1981

7.0

1998

6.2

2009

5.4

1999

6.0

1988

6.7

2003

6.9

2005

6.9

2009

6.5

2001

6.7

2007

6.8

1953

7.2

2003

6.3

1955

7.1

1955

7.0